diff --git a/ahcid/src/main.rs b/ahcid/src/main.rs
index 9cc8857992..5e261cc2d0 100644
--- a/ahcid/src/main.rs
+++ b/ahcid/src/main.rs
@@ -24,7 +24,7 @@ fn main() {
     let bar = usize::from_str_radix(&bar_str, 16).expect("ahcid: failed to parse address");
 
     let bar_size_str = args.next().expect("ahcid: no address size provided");
-    let bar_size = usize::from_str_radix(&bar_str, 16).expect("ahcid: failed to parse address size");
+    let bar_size = usize::from_str_radix(&bar_size_str, 16).expect("ahcid: failed to parse address size");
 
     let irq_str = args.next().expect("ahcid: no irq provided");
     let irq = irq_str.parse::<u8>().expect("ahcid: failed to parse irq");
diff --git a/e1000d/src/main.rs b/e1000d/src/main.rs
index 98e924259f..dd4800371e 100644
--- a/e1000d/src/main.rs
+++ b/e1000d/src/main.rs
@@ -69,7 +69,7 @@ fn main() {
     let bar = usize::from_str_radix(&bar_str, 16).expect("e1000d: failed to parse address");
 
     let bar_size_str = args.next().expect("e1000d: no address size provided");
-    let bar_size = usize::from_str_radix(&bar_str, 16).expect("e1000d: failed to parse address size");
+    let bar_size = usize::from_str_radix(&bar_size_str, 16).expect("e1000d: failed to parse address size");
 
     let irq_str = args.next().expect("e1000d: no irq provided");
     let irq = irq_str.parse::<u8>().expect("e1000d: failed to parse irq");
diff --git a/nvmed/src/main.rs b/nvmed/src/main.rs
index 5939430b8e..fb37c0f6b9 100644
--- a/nvmed/src/main.rs
+++ b/nvmed/src/main.rs
@@ -27,7 +27,7 @@ fn main() {
     let bar = usize::from_str_radix(&bar_str, 16).expect("nvmed: failed to parse address");
 
     let bar_size_str = args.next().expect("nvmed: no address size provided");
-    let bar_size = usize::from_str_radix(&bar_str, 16).expect("nvmed: failed to parse address size");
+    let bar_size = usize::from_str_radix(&bar_size_str, 16).expect("nvmed: failed to parse address size");
 
     let irq_str = args.next().expect("nvmed: no irq provided");
     let irq = irq_str.parse::<u8>().expect("nvmed: failed to parse irq");
diff --git a/rtl8168d/src/main.rs b/rtl8168d/src/main.rs
index ddc7cbe4e4..d169b25ca3 100644
--- a/rtl8168d/src/main.rs
+++ b/rtl8168d/src/main.rs
@@ -69,7 +69,7 @@ fn main() {
     let bar = usize::from_str_radix(&bar_str, 16).expect("rtl8168d: failed to parse address");
 
     let bar_size_str = args.next().expect("rtl8168d: no address size provided");
-    let bar_size = usize::from_str_radix(&bar_str, 16).expect("rtl8168d: failed to parse address size");
+    let bar_size = usize::from_str_radix(&bar_size_str, 16).expect("rtl8168d: failed to parse address size");
 
     let irq_str = args.next().expect("rtl8168d: no irq provided");
     let irq = irq_str.parse::<u8>().expect("rtl8168d: failed to parse irq");